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Finding the Third Proportional to 57,570,278 and 82,326,174

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Solution

The third proportional to 57,570,278 and 82,326,174 is: 117,727,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,570,278 : 82,326,174 = 82,326,174 : x
  2. Step 2: Convert to fraction form
    57,570,278/82,326,174 = 82,326,174/x
  3. Step 3: Cross multiply
    57,570,278x = 82,326,174 × 82,326,174
  4. Step 4: Simplify right side
    57,570,278x = 6,777,598,925,478,276
  5. Step 5: Solve for x
    x = 6,777,598,925,478,276/57,570,278
  6. Step 6: Final answer
    x = 117,727,396.17

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.